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234 26Th Ave

Lake Street, SF 94121 1385028A 3 units · 2 fl · 1974

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Lake Street
At or below average
avg 0.6
0
FewerMore

This building has 0 novs (7y), at or below the Lake Street average of 0.6.

Rent & eviction protection

Is 234 26Th Ave rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1974
2 or more units
3 units
Property type
Multi-Family Residential
Zoning
RM1
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units3
Floors2
Year built1974
Total area3,712 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot1385028A
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Jackson Yu Living Trust
Mailing address
Jackson Yu Trystee 652 Peachy Canyon Cir #202 Las Vegas NV 89144
Last sale
000000

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Augrented Insights
Initial analysis

The two-story, three-unit multi-family residential building at 234 26th Avenue was constructed in 1974 and is currently owned by the Jackson Yu Living Trust. The property has undergone several significant improvements over the years, including a comprehensive window and patio door replacement project in 2017 ($28,000), which installed 32 new windows and 2 patio doors with energy-efficient specifications. Earlier renovations included a deck repair and replacement project for the second and third levels in 2003 ($10,000), and historical records show roofing work was performed in 1997.

The building has experienced multiple inspections and some compliance issues over its history. Notably, there was a recurring pattern of illegal unit concerns between 1998 and 2000, with the most recent inspection in 2003 documenting unauthorized apartments. A security violation regarding self-closing doors was noted and resolved in 2008. More recently, the property faced significant infrastructure challenges, with seven documented sewage backup incidents in late 2021 (September to December) involving a 4-inch sewer vent line. Planning records indicate an ongoing effort to address parking and unit legalization issues, with an off-street parking variance approved to legalize a fourth unit. The building's most recent maintenance history shows attention to both exterior improvements and necessary repairs, though the age of some systems suggests continued monitoring of infrastructure performance may be warranted.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 234 26Th Ave's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
84th percentile

Out of 660 buildings in this neighborhood, 106 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
89%
No DBI
violation
11%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

Estimated permit spend (past 7 years)

Dollar value of permits pulled at this address — large recent spend can signal deferred-maintenance catch-up.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

Building permits, owner's portfolio

Permits pulled across all of this owner's buildings over 7 years.

12-Month severity forecast
No violation 78.9%
Moderate concern 15.6%
Severe concern 5.5%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
Apartment reviews

234 26Th Ave apartment reviews

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The story over time

234 26Th Ave event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

No dated public records on file yet.
Every record we have

Full data for 234 26Th Ave apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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